Batteries power much of daily life, from phones and laptops to electric vehicles and renewable energy systems, yet the science behind them often remains unfamiliar.Batteries power much of daily life, from phones and laptops to electric vehicles and renewable energy systems, yet the science behind them often remains unfamiliar. This AI-generated book introduces you to the chemistry, engineering, and history that shaped portable power, tracing its development from early experiments with electricity to the lithium-ion technology used today. You will learn how batteries store and release energy, what materials and designs make different battery types suitable for specific uses, and why certain innovations marked turning points in their development. The book also examines current research directions and the challenges involved in making batteries safer, more efficient, and more sustainable. Written in clear, accessible language, it offers you a solid introduction to a technology that shapes modern life, without requiring prior technical knowledge.Batteries power much of daily life, from phones and laptops to electric vehicles and renewable energy systems, yet the science behind them often remains unfamiliar. This AI-generated book introduces you to the chemistry, engineering, and history that shaped portable power, tracing its development from early experiments with electricity to the lithium-ion technology used today. You will learn how batteries store and release energy, what materials and designs make different battery types suitable for specific uses, and why certain innovations marked turning points in their development. The book also examines current research directions and the challenges involved in making batteries safer, more efficient, and more sustainable. Written in clear, accessible language, it offers you a solid introduction to a technology that shapes modern life, without requiring prior technical knowledge.